CN102792587B - 用于放大器的有源静噪方案 - Google Patents

用于放大器的有源静噪方案 Download PDF

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Publication number
CN102792587B
CN102792587B CN201080065294.6A CN201080065294A CN102792587B CN 102792587 B CN102792587 B CN 102792587B CN 201080065294 A CN201080065294 A CN 201080065294A CN 102792587 B CN102792587 B CN 102792587B
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CN
China
Prior art keywords
amplifier
switch
control signal
equipment
input terminal
Prior art date
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Active
Application number
CN201080065294.6A
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English (en)
Chinese (zh)
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CN102792587A (zh
Inventor
A·N·尼尔森
K·N·马德森
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Texas Instruments Inc
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Texas Instruments Inc
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
CN201080065294.6A 2010-03-30 2010-12-21 用于放大器的有源静噪方案 Active CN102792587B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/750,431 US8138828B2 (en) 2010-03-30 2010-03-30 Active mute scheme for an amplifier
US12/750,431 2010-03-30
PCT/US2010/061431 WO2011126525A1 (en) 2010-03-30 2010-12-21 Active mute scheme for an amplifier

Publications (2)

Publication Number Publication Date
CN102792587A CN102792587A (zh) 2012-11-21
CN102792587B true CN102792587B (zh) 2016-08-31

Family

ID=44708926

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201080065294.6A Active CN102792587B (zh) 2010-03-30 2010-12-21 用于放大器的有源静噪方案

Country Status (4)

Country Link
US (1) US8138828B2 (https=)
JP (1) JP5822912B2 (https=)
CN (1) CN102792587B (https=)
WO (1) WO2011126525A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9172381B2 (en) * 2013-03-15 2015-10-27 Hittite Microwave Corporation Fast turn on system for a synthesized source signal
US11736075B2 (en) * 2021-04-01 2023-08-22 Macom Technology Solutions Holdings, Inc. High accuracy output voltage domain operation switching in an operational amplifier

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4491800A (en) * 1982-05-31 1985-01-01 Nec Corporation Switching circuit operable as an amplifier and a muting circuit
US5300892A (en) * 1991-09-11 1994-04-05 Rohm Co., Ltd. Audio signal amplifier circuit
CN201204568Y (zh) * 2008-06-10 2009-03-04 上海韦矽微电子有限公司 音频功率放大电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04160910A (ja) 1990-10-25 1992-06-04 Pioneer Electron Corp 保護回路
US5166983A (en) 1991-07-22 1992-11-24 Motorola, Inc. Mute circuit for audio amplifiers
JP2005051609A (ja) * 2003-07-30 2005-02-24 Mitsumi Electric Co Ltd 信号出力回路
US7102400B1 (en) 2004-08-30 2006-09-05 Sitel Semiconductor B.V. Phase locked loop charge pump and method of operation
TWI259735B (en) 2004-10-13 2006-08-01 Princeton Technology Corp Muting circuit of audio amplifier
JP4800688B2 (ja) 2005-07-08 2011-10-26 パナソニック株式会社 ミューティング回路を設けた半導体集積回路
US8218793B2 (en) 2006-12-11 2012-07-10 Mediatek Inc. Apparatus and muting circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4491800A (en) * 1982-05-31 1985-01-01 Nec Corporation Switching circuit operable as an amplifier and a muting circuit
US5300892A (en) * 1991-09-11 1994-04-05 Rohm Co., Ltd. Audio signal amplifier circuit
CN201204568Y (zh) * 2008-06-10 2009-03-04 上海韦矽微电子有限公司 音频功率放大电路

Also Published As

Publication number Publication date
CN102792587A (zh) 2012-11-21
US20110241771A1 (en) 2011-10-06
WO2011126525A1 (en) 2011-10-13
JP5822912B2 (ja) 2015-11-25
US8138828B2 (en) 2012-03-20
JP2013524623A (ja) 2013-06-17

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